| 基于PCI总线的六通道高速并行超声信号采集卡的研制 |
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| 引用本文： | 李庆,陈以方,陈雪松.基于PCI总线的六通道高速并行超声信号采集卡的研制[J].无损检测,2006,28(9):449-452. |
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| 作者姓名： | 李庆 陈以方 陈雪松 |
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| 作者单位： | 清华大学,北京,100084 |
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| 摘 要： | 设计并实现了一种基于PCI总线的六通道60MHz高速并行数据采集系统。通过并行采集、分时传送的方法，实现了六通道信号的同时采集和数据存储。介绍了采集卡的总体设计、各部分的工作原理、电路设计、CPLD及其程序设计，并对抗干扰等多通道高速信号采集系统中的相关问题进行了深入探讨。
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| 关 键 词： | 超声检测 数据采集 总线 硬件 软件 |
| 文章编号： | 1000-6656（2006）09-0449-04 |
| 收稿时间： | 2005-05-23 |
| 修稿时间： | 2005年5月23日 |
6-Channel High-speed Parallel Data Acquisition Card for Ultrasonic Signal Based on PCI Bus |
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| LI Qing,CHEN Yi-fang,CHEN Xue-song.6-Channel High-speed Parallel Data Acquisition Card for Ultrasonic Signal Based on PCI Bus[J].Nondestructive Testing,2006,28(9):449-452. |
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| Authors: | LI Qing CHEN Yi-fang CHEN Xue-song |
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| Affiliation: | Tsinghua University, Beijing 100084, China |
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| Abstract: | A system architecture of 6-channel 60 MHz high-speed data acquisition based on PCI bus was studied and implemented. The system could be used to implement data acquisition through 6 channels with acquisition parallel but transfering separately, and store large amount of data. General design strategy, theory of main parts of the card, circuit design, programming and circuit design of CPLD were presented. Some questions during the design of high speed data acquisition system, such as anti-jamming, were presented deeply. |
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| Keywords: | Ultrasonic inspection Data acquisition Bus Hardware Software |
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